• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Violet-tailed Sylph - BirdForum Opus

Photo © by C B Allen
Montezuma Rainforest Reserve, Los Chorros (Risaralda/Colombia),
9 November 2023
Aglaiocercus coelestis

Identification

Female
Photo by rdavis
Northern Ecuador, October 2009

Female 9-10 cm, male up to 19 cm: medium sized hummingbird where male has a long tail.
Male has green upperside with crown and front blue, uppertail coverts bluish and tail blue to violet. Underside mostly fawn-colored with a violet-blue throat patch.
Female has much shorter tail, a similar upperside including the blue crown, while underside has rust on breast and belly, white upper breast and throat, where the upper throat is speckled with green, shiny spots.

Similar species

Male
Photo by cfagyal
Tandayapa, Ecuador, September 2004

Overlaps in distribution with Long-tailed Sylph

Distribution

South America: found in Colombia and Ecuador.

Taxonomy

Subspecies[1]

Two subspecies are recognized:

  • A.c. coelestis:
  • A.c. aethereus:

Habitat

Subtropical Andean cloudforest, observed at heights of 5600 feet.

Behaviour

Readily comes to hummingbird feeders. In natural environments found low to medium in the forest but rarely in canopy.

References

  1. Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. BF Member observations

Recommended Citation

External Links

GSearch checked for 2020 platform.1

Back
Top